Anthropic Beats OpenAI to SEC, Flipping the AI IPO Timeline
San Francisco, June 2, 2026, 05:02 PDT Anthropic quietly filed a draft S-1 with the Securities and Exchange Commission on Monday, putting it ahead of OpenAI in the race toward a U.S. stock-market debut. The proposed IPO would involve its common stock, but the filing left out the number of shares and any price details. Whether the offering actually happens,
